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SMLS carbon steel pipe sizes
SMLS stands for Seamless, commonly used in terms such as SMLS pipe or seamless steel pipe. Unlike welded pipes, seamless pipes do not contain fusion lines, making them structurally uniform and mechanically reliable under demanding service conditions. Here's an overview of SMLS carbon steel pipe sizes.
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API 5L line pipe physical properties
Line pipe grade designations are defined by API Specification 5L (API Spec 5L), which is the global standard for steel line pipes used in oil and gas transmission systems. Here's an overview of API 5L line pipe physical properties.
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API 5L pipe specification updated 2026
API 5L pipe specification (updated 2026) defines the technical requirements for carbon steel line pipes used in the transportation of oil, natural gas, water, and other fluids in the petroleum and natural gas industries. Here's an overview of API 5L pipe specification updated 2026.
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API 5L pipe size and schedule chart
API 5L is an internationally recognized specification for carbon steel line pipes used in the transportation of oil, gas, water, and other fluids in onshore and offshore pipeline systems. API 5L pipes are manufactured in both Seamless and Welded forms, allowing flexibility across different pressure levels, diameters, and project requirements. To ensure long-term performance, API 5L line pipes can be supplied with various external and internal coatings, selected according to environmental conditions, corrosion risk, and service media.
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How to select C channel size?
Selecting the correct C channel size is a critical step in structural design, fabrication, and project cost control. An undersized C channel may lead to excessive deflection or failure, while an oversized section increases material cost and weight without added benefit. This guide explains how to choose the right C channel size based on load requirements, span length, application type, and relevant standards—from an engineering and practical procurement perspective.
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Top list of best-selling steel products from Union Steel Industry
Union Steel Industry’s best-selling steel products are driven by global standards compliance, stable supply capacity, and proven performance in oil & gas, energy, and industrial projects. The following product lines represent the highest demand across international markets.
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C channel standard sizes
C channels are manufactured in a wide range of sizes to meet different structural, framing, and fabrication requirements. For precise dimensional data, including width, depth, thickness, and weight, please refer to the C channel size chart. The chart provides accurate C channel dimensions in mm, helping engineers, fabricators, and contractors select the correct steel channel based on load requirements and application conditions.
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A complete comparision of cold formed steel and structural steel
Cold formed steel (CFS) and structural steel are both widely used in modern construction due to their strength, durability, and cost efficiency. Although both materials are steel-based, they differ significantly in manufacturing methods, structural behavior, and ideal applications. Understanding the difference between cold formed steel and structural steel is essential for architects, engineers, and project managers when selecting the most appropriate framing system.
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What are the different types of structural steel frames?
A structural steel frame is a load-bearing framework composed of steel beams, columns, and girders that form the primary skeleton of a building. This framework supports walls, floors, and roofs, transferring structural loads safely to the foundation. Due to steel’s high strength, ductility, and dimensional stability, structural steel framing is widely used in modern commercial, industrial, and high-rise construction. Different types of structural steel frames are selected based on building height, load distribution method, and span requirements.
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Sustainable steel buildings - the future of green construction
As sustainability becomes a core requirement in global construction projects, prefabricated steel buildings are increasingly recognized as a practical and scalable solution for reducing environmental impact while improving construction efficiency. These structures align well with modern green building goals by combining industrial precision, material efficiency, and long-term energy performance.
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